add review round schema and connect to review

[Sarah-Zhang1]

Create new interview schema

Description

• create review round schema with interview type and interview difficulty (both represented in strings)
• connect review to review round with a 1 to many relation

Motivation and Context

want to represent interview ratings as rounds since interviews can have mulitple rounds

Closes #333

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Database migration
  • Ran pnpm db:generate and verified generated SQL migration files in packages/db/drizzle

Checklist:

• My code follows the code style of this project.
• I have moved the ticket to "In Review"
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[vercel]

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Project	Deployment	Review	Updated (UTC)
cooper	Ready	Preview, Comment	Jan 26, 2026 2:03am

2 Skipped Deployments

Project	Deployment	Review	Updated (UTC)
cooper-auth	Skipped		Jan 26, 2026 2:03am
cooper-docs	Skipped		Jan 26, 2026 2:03am

[gpalmer27]

if you delete this, then it gives an error when trying to submit a new review. i know your next ticket will be implementing the frontend and making this work, but especially since we're tabling next week i think we want to keep this in to make sure people can still submit reviews in the meantime

[Tiffybin]

lgtm